Analysis

  • max time kernel
    155s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:09

General

  • Target

    e44480bac64c021d6dfd67c225f8db96a5a038542143fcb3595aa4230007341f.exe

  • Size

    602KB

  • MD5

    c7de75da16077e9de0ae87beed1e98bf

  • SHA1

    6fa84c4e128b2390a6cc3d8db83c9bf02c0998e1

  • SHA256

    e44480bac64c021d6dfd67c225f8db96a5a038542143fcb3595aa4230007341f

  • SHA512

    c4f3c360f2b1218666196ff81b325c4abe05e90fe633db50cbd63bc35e9dfe567bd785645e3efc140958be92c97f4ec3b36ab2228bade6dedc35c3012b82ee87

  • SSDEEP

    12288:mIny5DYTWQrRUhNBTvfRbLK7DhJhW4Vc/O3xfw+MR:IUTWuRUhNBFSVLLQIAR

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 14 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 1 IoCs
  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e44480bac64c021d6dfd67c225f8db96a5a038542143fcb3595aa4230007341f.exe
    "C:\Users\Admin\AppData\Local\Temp\e44480bac64c021d6dfd67c225f8db96a5a038542143fcb3595aa4230007341f.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2952
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:724
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:212
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3808
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1848
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3860
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2940
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2676
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            PID:4700
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4972

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso2AEA.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            052c4b3f6ddbcb83d9f97038e28df406

            SHA1

            e90a71e9fb6511d7733b597c13e27641b0a69222

            SHA256

            d3cd18ca321b942d31559dfc4a9fe96cda4e891bdb7ed2f8724f905566cde1fc

            SHA512

            51169406098340b1e4105f66fd628eb8011416df9a863de276dcce1bab4fc2ecaa15320f638330f6c8cc94c3549276171a92d0af02f932a586f9ddfe64d01b6d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            052c4b3f6ddbcb83d9f97038e28df406

            SHA1

            e90a71e9fb6511d7733b597c13e27641b0a69222

            SHA256

            d3cd18ca321b942d31559dfc4a9fe96cda4e891bdb7ed2f8724f905566cde1fc

            SHA512

            51169406098340b1e4105f66fd628eb8011416df9a863de276dcce1bab4fc2ecaa15320f638330f6c8cc94c3549276171a92d0af02f932a586f9ddfe64d01b6d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            052c4b3f6ddbcb83d9f97038e28df406

            SHA1

            e90a71e9fb6511d7733b597c13e27641b0a69222

            SHA256

            d3cd18ca321b942d31559dfc4a9fe96cda4e891bdb7ed2f8724f905566cde1fc

            SHA512

            51169406098340b1e4105f66fd628eb8011416df9a863de276dcce1bab4fc2ecaa15320f638330f6c8cc94c3549276171a92d0af02f932a586f9ddfe64d01b6d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            052c4b3f6ddbcb83d9f97038e28df406

            SHA1

            e90a71e9fb6511d7733b597c13e27641b0a69222

            SHA256

            d3cd18ca321b942d31559dfc4a9fe96cda4e891bdb7ed2f8724f905566cde1fc

            SHA512

            51169406098340b1e4105f66fd628eb8011416df9a863de276dcce1bab4fc2ecaa15320f638330f6c8cc94c3549276171a92d0af02f932a586f9ddfe64d01b6d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            673bdf4e2772a829a57579e488ace5a0

            SHA1

            0aa19a108450d901c4b37da5bea99e61212df493

            SHA256

            6a6265cd590d51442501b7a3fade29622e3fb225f392a6c0173eac8de4127e4c

            SHA512

            32019bcc95638fa1973849e9455d3d69533a6ef0ca6c6ba0c691d9804019fc05ba7f6d160b9361221978d257cd77bf0b31554e7901cf3c5a12f714abe3c63ff3

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            673bdf4e2772a829a57579e488ace5a0

            SHA1

            0aa19a108450d901c4b37da5bea99e61212df493

            SHA256

            6a6265cd590d51442501b7a3fade29622e3fb225f392a6c0173eac8de4127e4c

            SHA512

            32019bcc95638fa1973849e9455d3d69533a6ef0ca6c6ba0c691d9804019fc05ba7f6d160b9361221978d257cd77bf0b31554e7901cf3c5a12f714abe3c63ff3

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            673bdf4e2772a829a57579e488ace5a0

            SHA1

            0aa19a108450d901c4b37da5bea99e61212df493

            SHA256

            6a6265cd590d51442501b7a3fade29622e3fb225f392a6c0173eac8de4127e4c

            SHA512

            32019bcc95638fa1973849e9455d3d69533a6ef0ca6c6ba0c691d9804019fc05ba7f6d160b9361221978d257cd77bf0b31554e7901cf3c5a12f714abe3c63ff3

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6a44e47f9b12155ab5d570071b09f5dd

            SHA1

            70f11b9f517e84ff8cd158a544adce38d9b5c7bf

            SHA256

            2bc095ff3831fea54b42ba25fc6429ac527c67b0b13e3c2a656f543771a8e411

            SHA512

            a397f7ddaad7e4ced0c868e9541a8922b3e649c6f1eed8db185f71eb7a6358e90ec71cb6fd314c2c3f28584c679ff6cea47b454c0a39049860f02b07e2966521

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6a44e47f9b12155ab5d570071b09f5dd

            SHA1

            70f11b9f517e84ff8cd158a544adce38d9b5c7bf

            SHA256

            2bc095ff3831fea54b42ba25fc6429ac527c67b0b13e3c2a656f543771a8e411

            SHA512

            a397f7ddaad7e4ced0c868e9541a8922b3e649c6f1eed8db185f71eb7a6358e90ec71cb6fd314c2c3f28584c679ff6cea47b454c0a39049860f02b07e2966521

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            93397c6f5edbe9525270da99178de449

            SHA1

            70eacdd29019b2c1e794230a0d58bd843c3a4937

            SHA256

            cc6a1ee0ada3460c9bc5301699cee35c1ff6757f321b14ae98732d314cdca622

            SHA512

            fe10285db56ef22b0b987bcf2bac5fab34021113e4d8f68bf4f24e2b954b3de3859372a08a9f320400d33fb5b754013246e1f4461c842669f30e25eb0ba97a0f

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            93397c6f5edbe9525270da99178de449

            SHA1

            70eacdd29019b2c1e794230a0d58bd843c3a4937

            SHA256

            cc6a1ee0ada3460c9bc5301699cee35c1ff6757f321b14ae98732d314cdca622

            SHA512

            fe10285db56ef22b0b987bcf2bac5fab34021113e4d8f68bf4f24e2b954b3de3859372a08a9f320400d33fb5b754013246e1f4461c842669f30e25eb0ba97a0f

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            93397c6f5edbe9525270da99178de449

            SHA1

            70eacdd29019b2c1e794230a0d58bd843c3a4937

            SHA256

            cc6a1ee0ada3460c9bc5301699cee35c1ff6757f321b14ae98732d314cdca622

            SHA512

            fe10285db56ef22b0b987bcf2bac5fab34021113e4d8f68bf4f24e2b954b3de3859372a08a9f320400d33fb5b754013246e1f4461c842669f30e25eb0ba97a0f

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            266367974bb19d0ba332547b3f2974c1

            SHA1

            222328c9327a39b7729c1e3008a1d805f8fa407b

            SHA256

            e937f01985e961cc91943d8a34d43126d15747ad3b39e08e58ece24c1848129d

            SHA512

            a5a2717579ea1506066d48905bd56ba3bf439e06ff3e6dedb5f7156f16fa45f2c6e7df5ef9834070a844368cbf4076d9815f56148c326245ec34807de47dcaf0

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            266367974bb19d0ba332547b3f2974c1

            SHA1

            222328c9327a39b7729c1e3008a1d805f8fa407b

            SHA256

            e937f01985e961cc91943d8a34d43126d15747ad3b39e08e58ece24c1848129d

            SHA512

            a5a2717579ea1506066d48905bd56ba3bf439e06ff3e6dedb5f7156f16fa45f2c6e7df5ef9834070a844368cbf4076d9815f56148c326245ec34807de47dcaf0

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            266367974bb19d0ba332547b3f2974c1

            SHA1

            222328c9327a39b7729c1e3008a1d805f8fa407b

            SHA256

            e937f01985e961cc91943d8a34d43126d15747ad3b39e08e58ece24c1848129d

            SHA512

            a5a2717579ea1506066d48905bd56ba3bf439e06ff3e6dedb5f7156f16fa45f2c6e7df5ef9834070a844368cbf4076d9815f56148c326245ec34807de47dcaf0

          • memory/212-142-0x0000000000000000-mapping.dmp

          • memory/724-141-0x0000000000000000-mapping.dmp

          • memory/1848-154-0x0000000000000000-mapping.dmp

          • memory/2676-167-0x0000000000000000-mapping.dmp

          • memory/2828-159-0x0000000000000000-mapping.dmp

          • memory/2940-166-0x0000000000000000-mapping.dmp

          • memory/2952-137-0x0000000000000000-mapping.dmp

          • memory/3808-147-0x0000000000000000-mapping.dmp

          • memory/3860-160-0x0000000000000000-mapping.dmp

          • memory/4172-136-0x0000000000000000-mapping.dmp

          • memory/4308-152-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4308-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4308-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4648-140-0x0000000000000000-mapping.dmp